Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Operating Activities:
Net income	$ 3,630	$ 4,248
Adjustments to reconcile net income to net cash provided by operating activities from continuing operations:
Depreciation and amortization	697	722
Stock-based compensation	813	392
Deferred tax	395	27
Gain on sale of strategic investment	(681)	(1,174)
Excess tax (benefit) deficiency from stock-based compensation plans	(690)	4
Other		(2)
Change in operating assets and liabilities:
Accounts receivable	222	653
Inventories	496	302
Prepaids and other	62	111
Accounts payable and accrued liabilities	(1,641)	(1,499)
Income taxes	947	1,623
Net cash provided by operating activities from continuing operations	4,250	5,407
Investing Activities:
Purchases of property and equipment	(56)	(857)
Purchases of available-for-sale securities	(2,938)	(843)
Sales and maturities of available-for-sale securities	2,867	805
Cash (transferred to) received from discontinued operations	(13)	75
Cash received from sale of a strategic investment	681	1,258
Net cash provided by investing activities from continuing operations	541	438
Financing Activities:
Excess tax benefit (deficiency) from stock-based compensation plans	690	(4)
Issuance of common stock	61	84
Repurchase of common stock	(9,424)
Purchase of common stock to pay employee taxes	(1,097)
Net cash (used in) provided by financing activities from continuing operations	(9,770)	80
Net cash (used in) provided by continuing operations	(4,979)	5,925
Discontinued Operations:
Net cash (used in) provided by operating activities	(13)	75
Net cash provided by (used in) financing activities	13	(75)
Net cash provided by discontinued operations
Net change in cash and cash equivalents	(4,979)	5,925
Cash and Cash Equivalents:
Beginning of period	15,495	15,540
End of period	10,516	21,465
Supplemental Information:
Cash paid for income taxes	124	228
Noncash transactions - acquisition of property and equipment on account	123	209
Noncash transactions - share repurchase accrual	513
Noncash transactions - issuance of performance shares	$ 2,756